iOS & Android App Development

@shubhamshrimal7

Hello, Greetings Hope you are doing well. I am a Mobile Application developer with over 5 years of experience. I am confident in my ability and skills to develop high-quality Mobile apps and would like to work on your iOS and Android app project. I will complete the work as per your requirements. I want to discuss more this project to prepare the final concept. So let’s discuss this in detail over chat then will make plans to start work on it. Waiting for your earliest reply. Thanks. Shubham

@Dreamappsolution

Hi sir, I read your project description .I can do your project & able to run successfully. I have 8+ years experience for website & mobile application development also done over 400+ project by a good team members . It will be very much pleasure for me, if you give me the opportunity to do your job for minimum cost. Thanks for your consideration . Thanks with Regards Prosanto

@c0909h1179

Since your screens are final, the risk shifts to architecture and backend design — getting the data model and API contracts right before a line of UI is written. I've shipped 80+ apps since 2008 across native iOS (Swift/SwiftUI), Kotlin, and Flutter/React Native, plus Node.js + PostgreSQL backends with admin dashboards and RBAC, so one codebase decision can cover both stores without feeling non-native. My approach: (1) read the brief and return a schema, API spec, and milestone plan; (2) build backend first — Node.js/PostgreSQL, deployed with monitoring and staging; (3) implement screens, then ship TestFlight and Play internal builds per milestone with source code handed over each time. Roughly how many distinct screens and does the app need authentication plus payments, or just accounts?

@C0RETECHIES

Hello, I’ve reviewed the brief and understand that the UI/UX is finalized, so the focus is on delivering a clean, native‑quality iOS and Android app plus a new backend that powers all screens. The system will need to handle user authentication, data sync, API consumption, and offline‑ready states where applicable, with a scalable backend that can evolve as features are added. Technical approach: - Use Flutter for a single codebase that compiles to true native performance on both platforms, ensuring UI fidelity and access to device features. - Backend built with Node.js (Express) and PostgreSQL, hosted on AWS Elastic Beanstalk for easy CI/CD, monitoring, and scaling. - RESTful APIs designed around the documented endpoints; JWT for auth, WebSocket for real‑time updates if needed. - CI pipeline via GitHub Actions to produce staged builds (dev, staging, production) for TestFlight and Play Store internal tracks. Core modules: - User onboarding & profile management - Screen‑specific modules as per the brief (e.g., dashboard, forms, media upload) - Data service layer with local SQLite cache and background sync - Admin‑free backend: auth, CRUD APIs, file storage (S3), logging, and health checks Relevant systems: - Bison360 - Flutter mobile + Spring Boot backend with AWS S3, PostgreSQL, and encrypted DB (shows secure, offline‑first sync experience) - StepOut Live - Flutter + Laravel/MySQL ecosystem delivering a multi‑app lifestyle platform (proves handling of complex UI flows and payment‑ready backends) Implementation strategy: 1. Milestone 1 - Project setup, core Flutter architecture, basic navigation, and backend skeleton (7 days) 2. Milestone 2 - Implement first half of screens with API contracts, local caching, and unit tests (8 days) 3. Milestone 3 - Remaining screens, real‑time features, polishing, and QA on both platforms (7 days) 4. Milestone 4 - Load testing, monitoring setup, final builds, source handoff, and documentation (3 days) This plan keeps risk low, delivers working builds early, and stays within the fixed budget. Questions: 1. Are there any third‑party services (e.g., payment gateways, social logins) that must be integrated, or should we design the backend to be plug‑in ready for future addition? 2. Does the app require any background work such as push notifications, location tracking, or periodic sync when closed? 3. What are the expected peak concurrent users or data volume so we can size the AWS/PostgreSQL instance appropriately? Regards, Rohit

@Hammadhassan21

Howdy, With the UI already finalized, I’d focus implementation on turning the approved screens into a reliable iOS/Android product, with the backend built around the scan, cycle, reporting, subscription, and privacy workflows in the PRD. I would propose Flutter for the mobile app with a structured REST API backend and PostgreSQL. The AI scan service can remain isolated so the model can be updated independently. The backend would also handle authentication, subscriptions, data controls, PDF reports, notifications, analytics, deployment, and monitoring. I would structure the work into staged milestones covering the mobile foundation, core tracking, backend/data layer, AI scan integration, reports and Period Wrap, subscriptions/privacy, then QA and deployment. Is the computer vision model/API for pad detection and flow/volume/color/spread already available or should its development/training be included? Portfolio: https://www.freelancer.com/u/Hammadhassan21 Best regards, Hammad Hassan

@OutsourceMan

Hi, CnEL India can build the complete iOS and Android application along with the backend, database, APIs, and deployment. Since the UI/UX is already finalized, our methodology would be: • Review the complete product brief and map all screens, workflows, and backend requirements. • Use a suitable cross-platform stack such as React Native for consistent, native-quality iOS and Android builds. • Build a scalable backend with Node.js/Python, database architecture, secure REST APIs, authentication, and required business logic. • Connect each approved UI screen with the backend and implement validations, states, and error handling. • Test functionality across iOS and Android devices and fix integration/performance issues. • Deploy the backend and provide working builds, source code, and documentation through staged milestones. • Keep the architecture modular so future features can be added easily. We can also provide a milestone-based implementation plan after reviewing the full specification. Best regards, Chanchal CnEL India

@mrresearcher99

Hello, I have 10 years of experience in full-stack and mobile development, building production-ready applications with React Native, Node.js, Laravel, PostgreSQL/MySQL, REST APIs, and cloud deployment. Since the UI/UX is already finalized, I can focus on accurate implementation, scalable backend architecture, API development, database design, authentication, and reliable deployment for both iOS and Android. I recommend React Native for a native-quality cross-platform experience, supported by Node.js and PostgreSQL for the backend, with a clean REST API layer. I’ll structure development into staged milestones covering core app implementation, backend/API integration, testing, deployment, and final handover. I can first review the complete specification and confirm the achievable MVP scope before finalizing milestones and timeline. Best regards

@alimumtaz112

Hello, I can turn your finalized UI/UX into a production-ready iOS and Android application with a scalable backend, clean architecture, APIs, database, deployment, and monitoring. **Recommended stack:** Flutter for a shared, maintainable mobile codebase with native-quality performance, backed by **Node.js/NestJS + PostgreSQL**, REST APIs, Firebase Cloud Messaging, cloud storage, and Docker-based deployment. This keeps the $600 MVP focused while leaving room to scale. I have 10+ years of mobile development experience, including Swift, Android, REST APIs, Firebase, third-party integrations, testing, performance optimization, and App Store/TestFlight releases. I’ve also worked on sports, telehealth, loyalty, travel, and real-time-data applications. **Milestones within the $600 budget:** • **$100** – Requirements review, architecture & database design • **$250** – Mobile app implementation and API integration • **$150** – Backend, authentication, database & admin/API services • **$100** – Testing, deployment, documentation & hand-off **Timeline:** approximately **4–6 weeks**, depending on the brief's feature scope and backend complexity. I’ll provide source code, working builds, deployment documentation, environment configuration, and clean commits. I’ll also flag any specification gaps before implementation so there are no surprises.

@sufyanasmat38

We have a proven track record in delivering native-quality experiences, leveraging robust backend infrastructures for optimal functionality. Our team's expertise spans the entire scope of mobile and backend development, making us well-equipped to handle your project smoothly from start to finish.

@pinkeegupta

Hi I will be able to help you. Please message me so that we will have detail technical discussion. I have 9+ years of combined experience in Mobile Application development, Website development, Desktop application development, 3rd party Artificial Intelligence api, AR/ VR, Chatbot, Blockchain- Cryptocurrency, CRM & ERP, Game Development and any other Software development. I am having expertise in Native on Android Java, Kotlin and IOS Swift, and For Hybrid Cross platform on Flutter Dart & React- Native and for web and backend on react js and node js, Python Django. Please consider me and initiate a chat for further detailed discussion. Regards, Anju

@ciss26

Hello there, Hope you are doing well I’d be glad to build your iOS and Android application from the finalized UI/UX designs and develop the complete backend required to support the functionality in your product brief. Since the screens and user experience are already designed, I can focus the development on clean implementation, scalable architecture, reliable APIs, and a smooth staged handover. Proposed Technology Mobile: Flutter + Dart Backend: Node.js + NestJS Database: PostgreSQL API: REST API Authentication: JWT / secure authentication Cloud: AWS or Firebase, depending on the backend requirements Notifications: Firebase Cloud Messaging + APNs Source Control: Git/GitHub Flutter will allow us to maintain a shared, high-quality codebase for both iOS and Android while keeping the experience native-quality and consistent with your approved designs. Development Scope Implement all finalized mobile screens Navigation and complete user workflows Authentication and user management Backend APIs and database from scratch Third-party API integrations specified in the brief Server-side validation and security Push notifications where required Error/loading/success states Admin/backend functionality required by the specification Testing on real Android and iOS devices Production-ready builds and deployment configuration Complete source-code and technical handover

@a4logic

Hello, As a seasoned developer with 15+ years of experience, I have consistently delivered high-quality, native mobile apps on both iOS and Android platforms. I specialize in transforming design layouts into clean, maintainable code while ensuring a smooth user experience. Reviewing your brief, the tech stack I propose includes React Native for frontend and Node.js for the backend to ensure seamless integration and cross-platform support. In terms of backend development, I have an impeccable track record of building databases from scratch, designing robust APIs for optimum performance, secure deployment, and proactive monitoring. My work doesn't just end at the delivery stage, I provide long-term support too. Regarding budget, given the complexity of your project; a cost-effective breakdown of $600 isn't feasible but we can definitely discuss a reasonable fee that aligns with the scope and quality that you demand. If you choose me for the project, not only will you get a solidly coded app but also a dedicated partner who aims for your complete satisfaction from milestoned source codes to working builds in line with your project timeline. Let's collaborate and create something remarkable! Thanks!

@bcosley

Hi, I've looked at the plan for a full iOS/Android build with a new backend and a clean handoff. I've done similar projects where the UI is locked and the focus is on correct platform parity and solid deployment practices, including monitoring and staged releases. Execution approach: I'd start by validating the current flows on both platforms, set up a lean API layer (REST or GraphQL), and establish milestone-ready builds with QA gates. One technical risk / key challenge: Balancing pixel-perfect native feel across devices while syncing offline changes. 1) What should happen when offline mode comes back online and local changes conflict with server data? 2) Who owns the data migration plan and how will you validate the backend schema against the mobile UI during milestones? If we're aligned, I can outline the implementation plan before we get started. Best regards, Brandon

@CodeAnchors

Hello, I hope this message finds you well. I have reviewed the detailed product brief you provided and I am confident in my ability to deliver a high-quality iOS and Android app, along with a robust backend system to support all outlined features. My expertise in Mobile App Development, Android, iOS, API Development, and Backend Development aligns perfectly with the requirements of your project. I have a proven track record of delivering native-quality applications on both platforms, ensuring a seamless user experience. I follow a structured approach to development, focusing on clean implementation, solid architecture, and timely delivery of staged milestones. With a keen eye for detail and a commitment to excellence, I aim to provide you with a top-notch solution that meets your business objectives. You can view some of my previous work in my portfolio: ⭐⭐ https://www.freelancer.com/u/CodeAnchors ⭐⭐ Before we proceed, could you please clarify any specific priorities or goals you have in mind for this project? Feel free to initiate a chat so we can finalize the scope smoothly. Best regards, Muhammad Anas Khan

@zainalitariq245

The main priority is turning your finalized UI into a reliable iOS and Android app with a backend that supports the complete product flow. I would focus on clean app architecture, native quality performance, secure APIs, database design, deployment, monitoring, and staged source code and build delivery. I would first map the approved screens and backend requirements, then deliver the project through clear milestones covering core app development, backend integration, testing, and final builds. Would you like the mobile app built with Flutter or React Native to keep both platforms efficient within the $600 budget? I am ready to review the full specification and start with the core implementation. Portfolio, https://www.freelancer.pk/u/zainalitariq245 Best Regards Zain Ali.

@durgesh8527

With over a decade of experience in full-stack development, I'm confident in my ability to bring your app vision to life. As a seasoned coder, I'm equipped to handle the demanding task of implementing your comprehensive design brief on both iOS and Android platforms. My native proficiency in Swift for iOS and Kotlin for Android assures you of high-quality, well-optimized code that will result in top-notch user experiences. Moving beyond just the frontend, I specialize in backend development, and building a robust one from scratch--including databases, APIs, deployment and monitoring--is well within my wheelhouse. I'll set up a reliable server structure and develop efficient APIs for seamless communication between the app and the backend database.

@ykarora26

With experience in native app development and backend architecture, I understand your need for a robust iOS and Android app build with a new backend. Could you share your preferred deadline for the staged milestones to ensure timely delivery? Regards, Yogesh Kumar

@AariyanKA

I reviewed the full ChuChu AI PRD. This is much more than turning finished screens into an app—the critical work is making the pad-scan AI, cycle logic, privacy controls, subscriptions, reports and backend operate as one reliable product. I’m a senior software engineer with 9+ years of experience across Android, iOS, Flutter, backend systems, subscriptions, secure data workflows and custom ML/computer-vision models. I’ve also worked on ML systems for sensitive-data extraction where accuracy, confidence handling and user correction are essential. My preferred stack would be Flutter for iOS/Android, FastAPI/Python for the AI/backend layer, PostgreSQL for structured data, encrypted object storage for optional scan retention, and native App Store/Google Play subscriptions. I’d deliver in milestones: Architecture + backend foundation Auth + cycle tracking AI pad scan + correction flow Insights + reports + doctor PDF Period Wrap + sharing Subscriptions, QA and store release For the complete V1 in the PRD, I’d estimate roughly 1–2 weeks.

@Jennycreation

Hello Sir, I have already worked on similar types of website and software development projects and I am confident that I can successfully handle your project. I am a full-time freelancer with **17+ years of experience** in web development, software development, automation, and API integrations. My expertise includes: * Android app development * ASP.NET C# web and software development * Python automation and web scraping (Amazon, Instagram, Facebook, Google Maps, LinkedIn, Telegram, and other custom scraping solutions) * JavaScript, jQuery, AJAX, Bootstrap, HTML5 * Microsoft SQL Server database development * Payment gateway integration * SMS, Email, Banking, Financial, and Insurance API integration * Custom automation bots and workflow automation software I focus on delivering **high-quality, scalable, and reliable solutions** with clean code and long-term support. Please contact me in private chat so we can discuss your requirements in detail. I can also show you a **demo of similar projects** I have completed. Looking forward to working with you. Thanks & Regards